Mustek Power Must 400 LCD User Manual page 9

6).Load level definition:
Load LEVEL
7).Battery capacity definition:
Battery LEVEL
8).When over load, the mark
9).When battery low, the mark
Load bar Indication
0%~25%
25%~50%
50%~75%
75%~100%
Battery bar Indication
Battery voltage≤11V
11V≤Battery voltage≤11.5V
11.5V≤Battery voltage≤12.5V
Battery voltage≥12.5V
will flicker every 1second.
will flicker every 1second.